20 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
ANA - Non-specific ... Drug-induced SLE Anti-Jo-1 ... #diagnosis #table ... #rheumatology # ... antibodies
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... dermatomyositis ... 1. ... Antineutrophil #antibodies ... #diagnosis #rheumatology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... others (RNP, aPL antibodies ... Myositis: Anti-JO-1, ... Polymerase Ill ... #associations #table
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
severity of the disease ... and ILD • Liver ... ILD worsens ... Phenotype 1 ... #rheumatology #
Dermatomyositis (DM) and Polymyositis (PM): Pathogenesis and clinical findings
Elevated Antinuclear Antibodies: Anti-Jo-1, Anti-OJ, Anti-Mi2, Anti-SRP, Anti-EJ,
Dermatomyositis ... Elevated Antinuclear Antibodies ... : Anti-Jo-1, Anti-OJ ... dehydrogenase (LD ... PM #Diagnosis #Pathophysiology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
, dermatomyositis ... • Acute lupus pneumonitis ... titers > 1:80 ... Ro/La, anti-Jo-1, ... SCL-70, RNP antibodies
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... Association with disease ... syndromes Anti-PCNA 1- ... erythematosus #diagnosis #rheumatology ... #table #ANA
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Anti-MDA5 (RP-ILD ... ), dermato-rheumatologic ... Ab • Anti-Jo-1 ... antibodies (ANA ... enzymes • Anti-Jo-1
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Allergen-specific lgE antibodies ... during hemolytic disease ... Type Ill - IgG and ... Classification #Pathophysiology ... Diagnosis #Reactions #Table
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Epidemiology: • F > M: 9:1 ... hypofunction • Antibodies ... ≥ 1:320 • Cytopenia ... • Interstitial Pneumonitis ... Sjogrens #Syndrome #Rheumatology